331230231321 has 8 divisors (see below), whose sum is σ = 481789427424. Its totient is φ = 200745594720.

The previous prime is 331230231271. The next prime is 331230231323. The reversal of 331230231321 is 123132032133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 331230231321 - 2¹⁰ = 331230230297 is a prime.

It is a super-2 number, since 2×331230231321² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 331230231291 and 331230231300.

It is not an unprimeable number, because it can be changed into a prime (331230231323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5018639836 + ... + 5018639901.

It is an arithmetic number, because the mean of its divisors is an integer number (60223678428).

Almost surely, 2^331230231321 is an apocalyptic number.

It is an amenable number.

331230231321 is a deficient number, since it is larger than the sum of its proper divisors (150559196103).

331230231321 is a wasteful number, since it uses less digits than its factorization.

331230231321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10037279751.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 331230231321 its reverse (123132032133), we get a palindrome (454362263454).

The spelling of 331230231321 in words is "three hundred thirty-one billion, two hundred thirty million, two hundred thirty-one thousand, three hundred twenty-one".